Orbit Fit and Astrometric record for 14UM233

The following information shows the result of the orbit fit based on Gary Bernstein's method. Most of the information should be self-explanatory. Take special note that while the original Bernstein software works with barycentric coordinates, we convert these results into a heliocentric coordinate system.

# Object: 14UM233   
# Created Sat Dec  4 02:12:54 2021
# Orbit generated from Bernstein formalism
# Fitting     36 observations of     36
# Arc:   4.29y
# First observation: 2013/08/08
#  Last observation: 2017/11/23
Preliminary a, adot, b, bdot, g, gdot:
  -0.000207   0.031313  -0.000027   0.006497   0.027721   0.000000
# Chi-squared of fit:     6.10 DOF:     66 RMS:  0.07
# Min/Max residuals:    -0.22    0.22
# Exact a, adot, b, bdot, g, gdot:
  1.756788E-05  3.085931E-02  4.393005E-06  6.398893E-03  2.755806E-02 -8.902478E-04
# Covariance matrix:
  1.4134E-13 -7.9419E-14  5.2824E-15 -1.3357E-14  4.9223E-14 -5.9240E-13
 -7.9419E-14  2.2257E-13 -2.1665E-14  4.5272E-14  8.8299E-14  2.0149E-12
  5.2824E-15 -2.1665E-14  8.9799E-14 -6.1258E-14 -9.7234E-15 -2.8653E-13
 -1.3357E-14  4.5272E-14 -6.1258E-14  7.8167E-14  1.7443E-14  6.1150E-13
  4.9223E-14  8.8299E-14 -9.7234E-15  1.7443E-14  1.2739E-13  7.7892E-13
 -5.9240E-13  2.0149E-12 -2.8653E-13  6.1150E-13  7.7892E-13  2.7205E-11
#      lat0       lon0       xBary       yBary       zBary        JD0
    2.876827   23.517852    0.939307    0.019441   -0.386117  2456513.071958
# Heliocentric elements and errors
Epoch:              2456510.5000  =  2013/08/06
Mean Anomaly:          349.18362 +/-     0.031
Argument of Peri:       31.07295 +/-     0.051
Long of Asc Node:        8.68601 +/-     0.001
Inclination:            12.13448 +/-     0.000
Eccentricity:         0.22441065 +/-    0.0001
Semi-Major Axis:     46.90361893 +/-    0.0029
Time of Perihelion: 2460035.7289 +/-      10.0
Perihelion:          36.37794745 +/-    0.0035
Aphelion:            57.42929040 +/-    0.0045
Period (y)              321.2312 +/-      0.03
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X           33.95990223 +/-    0.0004
Ecliptic Y           13.75760943 +/-    0.0002
Ecliptic Z            1.82140408 +/-    0.0000
Ecliptic XDOT        -0.00133984 +/-    0.0000
Ecliptic YDOT         0.00276231 +/-    0.0000
Ecliptic ZDOT         0.00063062 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   36.68602308 +/-    0.0004
Geocenter to KBO     36.28703078 +/-    0.0005
# Hcoef:  7.94

The following table shows the complete astrometric record for 14UM233. The first three columns show the date of observation. The next six columns are RA and DEC. The next column (when provided) is the observed magnitude and filter. The next column is the object name (14UM233) followed by the observatory code and reference code for the source of the astrometry.

2013 08  08.57118  01 22 43.234  +11 48 16.51  23.5r 14UM233   568  C~2boN      
2013 08  08.57598  01 22 43.211  +11 48 16.52  23.6r 14UM233   568  C~2boN      
2013 08  08.62000  01 22 43.156  +11 48 16.66  23.5r 14UM233   568  C~2boN      
2013 09  01.54122  01 21 41.761  +11 45 31.36  23.4r 14UM233   568  C~2boN      
2013 09  01.58009  01 21 41.611  +11 45 30.86  23.5r 14UM233   568  C~2boN      
2013 09  02.52849  01 21 38.216  +11 45 17.96  23.7r 14UM233   568  C~2boN      
2013 09  02.57808  01 21 38.031  +11 45 17.31  23.6r 14UM233   568  C~2boN      
2013 10  09.45225  01 18 47.229  +11 32 11.85  23.6r 14UM233   568  C~2boN      
2013 10  30.39222  01 16 58.365  +11 22 36.53  23.6r 14UM233   568  C~2boN      
2013 11  01.32910  01 16 48.732  +11 21 43.45  23.6r 14UM233   568  C~2boN      
2013 11  01.46495  01 16 48.046  +11 21 39.92  23.3r 14UM233   568  C~2boN      
2013 11  05.43534  01 16 28.721  +11 19 52.60  23.5r 14UM233   568  C~2boN      
2013 11  28.22052  01 14 54.501  +11 10 48.68  23.6r 14UM233   568  C~2boN      
2013 12  04.36653  01 14 35.501  +11 08 53.24  23.6r 14UM233   568  C~2boN      
2013 12  30.30462  01 13 54.824  +11 04 20.84  23.6r 14UM233   568  C~2boN      
2014 07  25.52856  01 29 02.679  +12 46 38.44  23.6r 14UM233   568  C~2boN      
2014 07  25.57013  01 29 02.675  +12 46 38.82  23.7r 14UM233   568  C~2boN      
2014 07  25.61177  01 29 02.683  +12 46 39.31  23.6r 14UM233   568  C~2boN      
2014 08  23.56805  01 28 23.952  +12 47 23.12  23.6r 14UM233   568  C~2boN      
2014 08  23.61501  01 28 23.829  +12 47 22.79  23.8r 14UM233   568  C~2boN      
2014 09  18.39638  01 26 48.586  +12 41 32.25  23.6r 14UM233   568  C~2boN      
2014 09  18.43576  01 26 48.397  +12 41 31.47  23.5r 14UM233   568  C~2boN      
2014 09  23.47668  01 26 24.856  +12 39 47.81  23.4r 14UM233   568  C~2boN      
2014 10  22.43707  01 23 55.319  +12 27 35.14  23.4r 14UM233   568  C~2boN      
2014 10  22.47652  01 23 55.107  +12 27 34.03  23.3r 14UM233   568  C~2boN      
2014 10  22.51541  01 23 54.897  +12 27 33.00  23.4r 14UM233   568  C~2boN      
2014 10  23.43604  01 23 50.060  +12 27 07.52  23.4r 14UM233   568  C~2boN      
2014 10  25.44113  01 23 39.563  +12 26 12.17  23.5r 14UM233   568  C~2boN      
2014 11  19.24852  01 21 40.770  +12 15 14.14  23.6r 14UM233   568  C~2boN      
2014 11  19.38146  01 21 40.199  +12 15 10.98  23.7r 14UM233   568  C~2boN      
2014 11  21.22724  01 21 32.652  +12 14 26.84  23.6r 14UM233   568  C~2boN      
2014 11  21.38890  01 21 31.995  +12 14 23.16  23.4r 14UM233   568  C~2boN      
2015 01  19.25806  01 20 13.185  +12 05 03.77  23.4r 14UM233   568  C~2boN      
2015 01  19.30409  01 20 13.238  +12 05 04.28  23.7r 14UM233   568  C~2boN      
2015 02  18.25202  01 21 49.800  +12 13 38.56  23.6r 14UM233   568  C~2boN      
2017 11  23.32740  01 40 21.775  +15 14 16.53  23.8w 14UM233   568  C~2boN      

The following table shows the residuals to the orbit fit. The first coumn is the point number. The second column is the time, in years, measured from the first observation. The third and fifth columns are the regularized positions used in the orbit fit. The fourth and sixth columns are the residuals, in arc seconds, for RA and Dec respectively.

     1   0.0000      0.00     0.03       0.00    -0.15
     2   0.0000     -0.31    -0.18       0.14    -0.06
     3   0.0001     -1.01     0.08       0.57    -0.00
     4   0.0656   -899.12    -0.01     183.50    -0.06
     5   0.0657   -901.35    -0.11     183.86     0.00
     6   0.0683   -952.42     0.04     190.52    -0.03
     7   0.0685   -955.18     0.06     190.93     0.01
     8   0.1694  -3576.33    -0.08     402.90    -0.05
     9   0.2268  -5276.39    -0.11     472.65     0.08
    10   0.2321  -5427.71     0.01     476.95    -0.04
    11   0.2324  -5438.39     0.07     477.49     0.13
    12   0.2433  -5742.31     0.03     485.43     0.02
    13   0.3057  -7232.66    -0.08     506.36     0.06
    14   0.3225  -7535.55     0.04     505.53    -0.01
    15   0.3935  -8193.81     0.20     480.68     0.08
    16   0.9609   6464.28     0.03    1196.70     0.00
    17   0.9610   6464.36    -0.06    1197.07    -0.02
    18   0.9611   6464.65     0.07    1197.49    -0.00
    19   1.0404   5953.37    -0.06    1446.48     0.02
    20   1.0405   5951.57     0.05    1446.84    -0.03
    21   1.1111   4526.03     0.09    1634.25    -0.04
    22   1.1112   4523.17    -0.01    1634.55    -0.02
    23   1.1250   4164.56     0.05    1665.41     0.01
    24   1.2043   1858.97     0.00    1795.98     0.02
    25   1.2044   1855.68    -0.01    1796.11     0.00
    26   1.2045   1852.44    -0.02    1796.29     0.06
    27   1.2070   1777.19    -0.05    1798.96    -0.02
    28   1.2125   1613.86     0.10    1804.73     0.01
    29   1.2804   -246.77    -0.01    1842.76    -0.04
    30   1.2808   -255.72    -0.05    1842.96     0.03
    31   1.2858   -374.83    -0.04    1843.34    -0.04
    32   1.2863   -385.14     0.14    1843.52     0.02
    33   1.4475  -1666.20     0.03    1757.18    -0.05
    34   1.4476  -1665.29    -0.22    1757.36     0.22
    35   1.5296   -159.67    -0.03    1704.66    -0.06
    36   4.2923  18937.27    -0.00    5899.22    -0.04

The following table comes from a 10My integration of the orbit of the object. Three columns are shown. The first column is the result of integrating the nominal orbit. The other two columns are based on clones of the nominal orbit that are +/- 3 sigma from the nominal orbit. If all three types agree then the classificiation is deemed secure. The basis for these calculations is described in more detail in AJ, 129, 1117 (2005). Any use made of these calculations should refer to and credit this publication and the Deep Ecliptic Survey Team.

14UM233    quality flag:3

Type:       SCATNEAR  SCATNEAR  SCATNEAR

axisobj        47.183    47.191    47.174
ecceobj         0.228     0.228     0.228
incobj         12.102    12.102    12.102
qmin           35.448    35.456    35.450
qmax           58.788    58.648    58.625
amean          46.793    46.795    46.769
amin           46.368    46.363    46.352
amax           47.320    47.332    47.294
emean           0.223     0.223     0.223
emin            0.207     0.207     0.207
emax            0.242     0.241     0.241
imean          11.861    11.854    11.864
imin           11.154    11.122    11.149
imax           12.616    12.621    12.620
excite_mean     0.303     0.303     0.303
fracstop        1.000     1.000     1.000
cjmean          3.022     3.022     3.022

libcent 0      -180.0    -180.0    -180.0
libamp  0      -180.0    -180.0    -180.0
libcent 1      -180.0    -180.0    -180.0
libamp  1      -180.0    -180.0    -180.0
libcent 2      -180.0    -180.0    -180.0
libamp  2      -180.0    -180.0    -180.0
libcent 3      -180.0    -180.0    -180.0
libamp  3      -180.0    -180.0    -180.0
libcent 4      -180.0    -180.0    -180.0
libamp  4      -180.0    -180.0    -180.0

kozaimean       181.3     181.2     181.2
kozaiamp        180.0     179.9     180.0